Feasibility study on addition of a colourant to commercially used fire-retardant formulations to enable visual distinguishability between treated and untreated mine support timber by Du Toit, C. B.

Subjects: “…Mine timbering…”
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The effect of progressive decay on timber of Eucalyptus saligna Sm. and Acacia mollissima Willd used in the mines of the Witwatersrand, with particular reference to the effect of p... by Bowen, J. W

Subjects: “…Mine timbering…”
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